From 56e44b0630448d44f7aa7f85b2098007ddbae06f Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@lukeshu.com>
Date: Wed, 15 Mar 2023 15:17:11 -0600
Subject: btrfstree: Distinguish between tree-not-found and item-not-found

---
 lib/btrfs/btrfstree/btree_forrest.go | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'lib/btrfs/btrfstree/btree_forrest.go')

diff --git a/lib/btrfs/btrfstree/btree_forrest.go b/lib/btrfs/btrfstree/btree_forrest.go
index 0bab610..625fb30 100644
--- a/lib/btrfs/btrfstree/btree_forrest.go
+++ b/lib/btrfs/btrfstree/btree_forrest.go
@@ -5,6 +5,7 @@
 package btrfstree
 
 import (
+	"errors"
 	"fmt"
 
 	"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsitem"
@@ -69,6 +70,9 @@ func LookupTreeRoot(fs TreeOperator, sb Superblock, treeID btrfsprim.ObjID) (*Tr
 	default:
 		rootItem, err := fs.TreeSearch(btrfsprim.ROOT_TREE_OBJECTID, RootItemSearchFn(treeID))
 		if err != nil {
+			if errors.Is(err, ErrNoItem) {
+				err = ErrNoTree
+			}
 			return nil, err
 		}
 		switch rootItemBody := rootItem.Body.(type) {
-- 
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